709454136 has 64 divisors (see below), whose sum is σ = 1854028800. Its totient is φ = 225802368.

The previous prime is 709454117. The next prime is 709454147. The reversal of 709454136 is 631454907.

It is a junction number, because it is equal to n+sod(n) for n = 709454094 and 709454103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572910 + ... + 574146.

It is an arithmetic number, because the mean of its divisors is an integer number (28969200).

Almost surely, 2^709454136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 709454136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (927014400).

709454136 is an abundant number, since it is smaller than the sum of its proper divisors (1144574664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

709454136 is a wasteful number, since it uses less digits than its factorization.

709454136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308 (or 2304 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 709454136 is about 26635.5802640003. The cubic root of 709454136 is about 891.8834565240.

The spelling of 709454136 in words is "seven hundred nine million, four hundred fifty-four thousand, one hundred thirty-six".